Mass Analysis Has A New Look
An exhibit of major instrument manu facturers will be held in the Albert Hall exhibit area of the hotel. The ex position will be open during the fol lowing hours: Wed., Nov. 30, 9:00 a.m.-6:00 p.m. Thurs., Dec. 1, 9:00 a.m.-6:00 p.m. Fri., Dec. 2, 9:00 a.m.-l:30 p.m.
TABULAR DISPLAY, you select peaks of interest
BAR GRAPH DISPLAY with Peak-Lock"
Inficon IQ 200, genius of quadrupole mass analyzers, spews refined real time information in three modes. Programmable, interfaces with digital equipment, offers video storage and push-button spectra manipu lation. This powerful analyzer knows more and _____ shows more. Write for brochure.
Exposition Chairman: Alexander Prezioso, Laboratory Data Control, 452 Hudson Terrace, Englewood Cliffs, N.J. 07632 (201-568-8280) Exhibit Manager: Norman Gardner, 73 Echel St., Metuchen, N.J. 08840 Addresses of the companies may be
found in ANALYTICAL CHEMISTRY'S 1977-78 LabGuide in the Company Directory
1BJB01D-HERAEUS 5 Adler Drive, East Syracuse, New York 13057 TWX 710 541-0594 Phone 315/437-0377
CIRCLE 107 O N READER SERVICE CARD
Glenco 3400 & 3500 Series Liquid Chromatography Columns
THE CHROMATOGRAPHERS' CHOICE • Diameters from 6mm to 150mm ID all available in standard lengths (15cm to 150cm) 'off the shelf" • Operating pressures to 150 psi. • Borosilicate glass construction with polypropylene threaded collars and end plates. • Aqueous and organic solvent systems available. Entire system autoclavable. • Upper end plates with center inlet port and a side vent port which can be used to bleed air and to layer on sample with a long needle or tubing. • Lower end plates with packing support of (10 micron) mesh cloth suspended over a woven grid and retained with snap ring. • 1/8" or 1/16" Teflon Multifit connectors on each end plate for easy ^connection with polyethylene or teflon tubing. Send today for our complete 60 page catalog of columns, fittings, valves, plungers, and accessories.
Liquid Chromatography Specialists Since 1959
Glenco Scientific Inc. 2802 White Oak Houston, Texas 77007 (713) 861-9123
CIRCLE 84 O N READER SERVICE CARD 1124 A ·
ANALYTICAL CHEMISTRY, VOL. 4 9 , NO. 13, NOVEMBER
Ace Scientific Supply Co. Airco Industrial Gases Altax Scientific, Inc. American Chemical Society American Laboratory American Instrument Co. Analabs, Inc. Analtecn, Inc. Antek Instruments Applied Science Labs., Inc. Baird Atomic Inc. J. T. Baker Chemical Co. John H. Banks Laboratory Beckman Instruments Inc. Brinkmann Instruments, Inc. Buck Scientific, Inc. Carle Instruments, Inc. Chemical Data Systems Inc. Chemtrix, Inc. Columbia Scientific Industries Digilab, Inc. Dohrmann Div. Envirotech Corp. Du Pont Co. EM Laboratories Inc. Encyclopaedia Britannica Environmental Sciences Assoc. Farrand Optical Corp. Gilford Instrument Labs Glenco Scientific, Inc. Gow-Mac Instrument Co. Η-Nu Systems Inc. Hamilton Co. Harrick-Scientific Corp. Harshaw Chemical Co. Hewlett-Packard Corp. P. C. Hutchinson Inc. Instrumentation Specialties Instruments S A, Inc. Int'l Scientific Communications Inc. JEOL Analytical Johns-Manville J-Y Optical Systems Kraft Apparatus, Inc. Kronk Scientific Instrument Co. Labindustries, Inc.